Only thing is, if you use an older computer around the pentium cpu time that does not have PAE, you have to use an older version of linux (some where around Ubuntu 10.04 or similar) with a NON PAE kernel (or is it PEA? one of the 2).
Sorry, I missed this post earlier. Thank you for the info, how would I go about determining if my cpu has PAE? A quick google search (since I didn't know what PAE is) shows me PAE "...allowing these CPUs to access a physical address space larger than 4 gigabytes (232 bytes)." Both my computers are old XP machines, I know XP couldn't see more than 4 gigs of ram, is this the same thing? |
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Have you tried adding the: -S compac:all to the bat?
I've seen that for U3's you add -S antminer:all for bfg to see the U3 sometimes, so wondering if it might have carried over to the compac (Novak stripped icarus down for compac and rebuilt it for cgminer, so did Luke jr do the same??).
EDIT: Just a thought to, is the "compac" maybe supposed to be "Compac"? Don't know if it would make a difference or not, but?.....
The "-S compac:all" was only necessary for the engineering sticks, the production sticks don't need it. But yes, I did try just in case, and it made no difference. I'm fairly certain Compac or compac makes no difference. The readme has compac, I tried capitalizing it just for giggles and nothing changed. you have to try the linux 7 build .
night and day over windows.
Looking forward to it, it's on the to do list. Going to try Debian on usb and Ubuntu on an old laptop. |
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what else should I add in there to work simultaneously two antminer u3
If you read this thread you'll find that more people had problems running more than 1 U3 at the same time than could do so successfully. You may be in the majority where you can only have one U3 running at a time. |
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My single stick pointed at the club address is down to 125 frequency, I have it running solo on an old laptop and that was all I could squeeze out the stick at 0.5a measured at the usb port. I have very little hash going at this point in the summer, I'll see if I can't free up a bit more from regular solo lottery mining and share it here. It wouldn't be much, but every GH helps.
More stats to watch would be really fun, but hopefully no one loses sleep over it.
Is the intention at some point to only have Compac sticks pointed to the club? I think ultimately that would be really cool.
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It made me smile when I thought about how the 21 Bitcoin computer will affect the global hashrate.  As much as this post will. I think we're about done seeing miners turned off, they should be coming back online in the next couple days and the numbers will start climbing again. |
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The possibilities are endless, 21inc is concerned with creating the tools to enable these use cases.
If the possibilities are endless, give me a list of the top 100 uses please. This company has a lot to live up to with all the press since their VC earnings, they better hit a home run every at bat or the bitcoin community will chew them up and spit them out. |
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First payment received, thank you. Here's to the start of a good campaign! but a little strict cause 75 words limit It's 75 characters, not words. It's easy to write more than 75 characters. See? I just did it, and not counting spaces or punctuation. |
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New hardware fixed part of my problem. 2) edit - new usb hub and ran 2 sticks on xp laptop just fine, old hub was crap, will update soon >2 sticks plug in a second stick and all goes to hell, LIBSUB_ERROR out the wazoo and both sticks only hash around 2GH. I didn't try more than 2 sticks.
Any ideas what's going on here? The errors on the Win7 box are very confusing, I did not expect any issues there. I'm thinking most of the fail on the XP machine is probably just the fact that my old WinXP box is old so I'm not too concerned there (gotta build a new computer one day...), but I can run 6 nanofury usb sticks on it at the same time no problem. In fact I can run the 6 nanofury sticks in one instance of cgminer and 1 compac stick in cgminer-gekko at the same time (pictured below), zero issues, so I'm at a loss why more than 1 compac grinds it to a halt.
http://i60.tinypic.com/28vxerk.jpg
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After 30 days if we can figure a good easy way to count everyone's hash rate we may do that. Not sure maybe someone comes up with a good idea that is easy to do.
If it helps, I could extend my notification script so that it reports the hash rates of the monitored addresses at the time a block is hit. Basically you (or anyone) could run the script with the published list of club workers. If a block is hit, anyone who is running the script will receive an email with the list of workers and their hash rates at that moment. I know that most forum members have the utmost respect for you Phil. We trust that you'd accurately carve out the winnings. But the nice thing about this approach is that anyone who cares about the result of a found block by the club can subscribe to notifications for the same club list. So there could be corroboration of the numbers by any forum member who wants to receive the notifications. It's kind of fitting that there's the opportunity of distributed validation of each other's hash rates. It mirrors the distributed underpinnings of the coin itself. The current script resolution is plus or minus 5 minutes of a block discovery event, but that's easy to tighten up if desired. That said, it might not matter if the agreement is that we use the 1 day hash rate average, or something like that, to determine the reward split. There's other algorithms that we could consider, but it probably makes sense to keep this simple. Also, someone else might have a better way to do this. It doesn't hurt my feelings if someone has a better alternative. Of course since the likelihood of cracking a block is low, we should probably temper our efforts for whatever works and not spend too much time on an ideal solution. Would donated hash count towards the reward calculation, or is it only compac hash? I would think donated would be donated and would not count, but ass u me... |
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It's also funny that you can't buy it with bitcoin (yet...) because they don't think bitcoin should be used for purchases like this.  Someone give me 50 million dollars, I can come up with terrible ideas all day long for half the price of these guys. |
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yeah i am building a box to put them inside, whit the exhaust out of the windows .
It kinda will have two sides and intake will facing inside the buildingn whit the extra roof.
You've got it backwards, you want intake to be from the windows outside so you intake cool air. You want exhaust pointed inside so you heat the inside of your building during the winter "for free". |
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First, no hub with bfgminer using .bat = bfgminer.exe -o [pool] -u [user] -p [pass] --set compac:clock=x0b83 1) bfgminer530 will not see the sticks on my old WinXP box. Neither starting bfg with them (or just 1) plugged in nor hot plugging while bfg is running wakes them up. The program just sits there and asks me to add hardware. 2) bfgminer530 on my Win7 box sees the sticks, however I get comms errors. Here is just 1 stick: http://i57.tinypic.com/317gjkp.jpg3) when I plug a 2nd stick in the errors happen twice as often: http://i57.tinypic.com/k3q70p.jpgThis has dropped back several pages and I'm still struggling with the Comms error, I cannot figure out what is causing it. Any one have any suggestions? And here's another issue to toss around, on my Win7 box the --set compac:clock tag in my .bat file for bfgminer has no effect on the sticks. I tried several different values and the sticks always hashed at the same rate. I tried omitting the command from my batch file entirely and the sticks hashed the same. What's going on? About the only thing I can think of, is try changing this: --set compac:clock=x0b83 to this: --set compac:clock=0x0b83 Not up on building and running under windows, so don't know if it needs that leading 0 or not. So there's a miss-type in my OP and I do, in fact, have the leading 0 in my batch file. I tried omitting the leading 0 and still no effect, just to be sure. It's as if bfgminer is ignorning the --set compac command on this computer. Could it be related to my comms error I wonder? |
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The perfect compliment for this "bitcoin computer" would be a few of those "mining lightbulbs" so you can see your money being wasted more clearly.
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Is there a way to predict how long a block will take or is it just waiting and see when it's done?
There's odds that one can calculate given a hash rate, time frame, and the network difficulty. Mostly it's just waiting, though. |
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Buy digital goods with the constant stream of bitcoin mined by a 21 Bitcoin Chip Hmm, I wonder what types of goods I'll be able to purchase with my constant stream of 10 cents per day (assuming free electricity)? This thing will never ROI, let alone generate any income worth spending. This is what over $100,000,000 in investment yields? Color me unimpressed. If you polled "the bitcoin community" I bet the #1 thing most requested would be affordable, efficient, quiet home-scale miners for the masses. A "bitcoin computer" like this probably wouldn't even make the top ten list. |
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This is going to be a very active difficulty period, I bet we see swings that have a higher total range than any we've seen in a long time.
I can't imagine staying negative too long...
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so with this basically everyone pools their sticks together to one addy and if a block is found the reward is split evenly? nifty idea, better than using the stick by yourself
Yes. I believe so. Although I'm not sure how the difference in individual hashrate would apply if the club found a block. It gets divided evenly between everyone who has a stick pointed to the pool. Individual hash rate does not factor in. |
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New hub and tester showed up, let the fun begin! Well, as soon as I can stop the Comms error and get bfgminer to see the sticks on my XP box, and install Linux on a laptop, and and and... Just 2 sticks for the moment with this hub, other 2 are busy on another box.   |
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Three chips aren't working right now....I suppose taking it apart and re-doing the thermal paste is an option?
No, that won't help for anything other than thermal conveyance. I've had chips show as 'x' on my S3, I usually just power off the machine for a few minutes and fire it up again and they have always come back. |
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